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| author | David S. Miller <davem@davemloft.net> | 2009-02-14 23:12:00 -0800 |
|---|---|---|
| committer | David S. Miller <davem@davemloft.net> | 2009-02-14 23:12:00 -0800 |
| commit | 5e30589521518bff36fd2638b3c3d69679c50436 (patch) | |
| tree | 6ac985658a06b0787e4354d0d16d380ea9b16a5a /kernel/trace/ftrace.c | |
| parent | ac178ef0ae9eb44fd527d87aa9b6394e05f56e1f (diff) | |
| parent | d2f8d7ee1a9b4650b4e43325b321801264f7c37a (diff) | |
Merge branch 'master' of /home/davem/src/GIT/linux-2.6/
Conflicts:
drivers/net/wireless/iwlwifi/iwl-agn.c
drivers/net/wireless/iwlwifi/iwl3945-base.c
Diffstat (limited to 'kernel/trace/ftrace.c')
| -rw-r--r-- | kernel/trace/ftrace.c | 5 |
1 files changed, 5 insertions, 0 deletions
diff --git a/kernel/trace/ftrace.c b/kernel/trace/ftrace.c index 7dcf6e9f2b0..9a236ffe2aa 100644 --- a/kernel/trace/ftrace.c +++ b/kernel/trace/ftrace.c @@ -1737,9 +1737,12 @@ static void clear_ftrace_pid(struct pid *pid) { struct task_struct *p; + rcu_read_lock(); do_each_pid_task(pid, PIDTYPE_PID, p) { clear_tsk_trace_trace(p); } while_each_pid_task(pid, PIDTYPE_PID, p); + rcu_read_unlock(); + put_pid(pid); } @@ -1747,9 +1750,11 @@ static void set_ftrace_pid(struct pid *pid) { struct task_struct *p; + rcu_read_lock(); do_each_pid_task(pid, PIDTYPE_PID, p) { set_tsk_trace_trace(p); } while_each_pid_task(pid, PIDTYPE_PID, p); + rcu_read_unlock(); } static void clear_ftrace_pid_task(struct pid **pid) |